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| author | James E. Wilson <wilson@codesourcery.com> | 2009-04-30 00:58:10 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2009-04-29 17:58:10 -0700 |
| commit | 6d8f135b27947caf8e4dbdcaf050f2ae0b9957e1 (patch) | |
| tree | 0361f3fcb99090bde9dffec23918b479be8e5e50 /gcc | |
| parent | 90adb9cbe75597b1372161c93d511774e4abd3bb (diff) | |
| download | gcc-6d8f135b27947caf8e4dbdcaf050f2ae0b9957e1.zip gcc-6d8f135b27947caf8e4dbdcaf050f2ae0b9957e1.tar.gz gcc-6d8f135b27947caf8e4dbdcaf050f2ae0b9957e1.tar.bz2 | |
mips.c (mips_add_offset): Use gen_int_mode for CONST_HIGH_PART result.
* config/mips/mips.c (mips_add_offset): Use gen_int_mode for
CONST_HIGH_PART result.
From-SVN: r146995
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 51d9ec9..c2943a6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-04-29 James E. Wilson <wilson@codesourcery.com> + + * config/mips/mips.c (mips_add_offset): Use gen_int_mode for + CONST_HIGH_PART result. + 2009-04-29 Anatoly Sokolov <aesok@post.ru> * config/avr/avr.c (initial_elimination_offset): Rename to diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 29ae179..8dfd3c2 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -2703,8 +2703,10 @@ mips_add_offset (rtx temp, rtx reg, HOST_WIDE_INT offset) } else { - /* Leave OFFSET as a 16-bit offset and put the excess in HIGH. */ - high = GEN_INT (CONST_HIGH_PART (offset)); + /* Leave OFFSET as a 16-bit offset and put the excess in HIGH. + The addition inside the macro CONST_HIGH_PART may cause an + overflow, so we need to force a sign-extension check. */ + high = gen_int_mode (CONST_HIGH_PART (offset), Pmode); offset = CONST_LOW_PART (offset); } high = mips_force_temporary (temp, high); |